Jean bissett



I (No Model.)

J. BISSETT.

Y. A LUB-RIGATOR. No.v294,720. I l Patentedl Mar. 4, 1884.

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" Nrrnn STATES ATENT rricn.

JEAN BISSETT, OF HOUSTON, TEXAS, ASSIGNOR OF ONEHA'LF TO TOBIASB'UFFINGER, OF SAME PLACE.

LUBRlCATOFL SPECIFICATION forming part of Letters Patent No. 294,720,dated `March 4, 1884. Application filed January 3, 18S-l. (No model.)

To @ZZ whom, t may concern: top wall of the nut rises a continuousflaring Beit known that I, J EAN BIssETT, va citizen flange or rim, 13,circular in outline, which of the United States, residing at Houston, inimparts a cup shape to the top of thenut, prethe county of Harris andState of Texas, have vents the waste of oil, and greatly facilitates 555 invented new and useful Improvements in Luits reac'lypassage to theslots before alluded to, bricators, of which the following is aspecifica through which the oil passes to the reservoir Ytion when suchslots register. The exterior of the This invention relates toimprovements in nut is hexagonal or other angular shape, so that thatclass of lubric-at'ors wherein the oil resera wrench can be used to turnit should it be- 60 1o voir or vessel is provided witha discharge-pipecome too tight to be moved by hand. passing through the bottom to thepoint of de- A propcrly-perforated packing-disk, lei, is livery, andrising within the reservoir to near interposed between the top wall ofthe shank its top, the steam rising in such pipe condensand the wallofthe nut, to provide a tightjoint ing and falling by gravity to thebottom of and prevent escape of steam or oil when the lu- 65 15 thereservoir, thus displacing the oil,and causbricator is in operation.

ing it to rise and ilow down through the pipe The deviceis exceedinglysimplein construe to the parts to be lubricated. tion and convenient andefficient in use,while The obj ect of my invention is to provide novelall Waste is avoided and a straight way provided and efficient means forsupplying the lubricant for the passage of the oil from the reservoir.7o 2o to the reservoir, which I accomplish in the man- In operation, ifthe reservoir requires replenner and by the means hereinafter describedand ishing, the valve 4 is caused to close the upper claimed, referencebeing had to the accompanyend ofthe discharge-pipe 2. The cock 14 at theing drawings, illustrating my invention, in bottom of the reservoir isopened to permit the which water of condensation to escape. This cock is75 2 5 Figure l is a vertical central sectional view then closed, andthe screw-nut l0 is turned to of alubricator embodying my invention;Fig. cause its slot l2 to register with the slot 9 in the 2, aperspective view with the parts detached, top wall of the screw-shank,after which the oil and Fig. 3 a top plan view with the wheel of ispoured into the cup-shapedtop of the screwthe valve-stem omitted. nut,from whence it passes through the slots 8o 3o Referring to the drawings,the number l inuntil the reservoiris filled, or nearly so. The` dicatesthe oil reservoir or vessel, having the nut is then turned to-move itsslot out of coin` discharge-pipe 2 passing from its bottom, for cidencewith the other, which brings the nut attachment to or connection withthe parts to and packing tightly down to prevent leakage be lubricated,said pipe rising within the resfrom the reservoir, and the valve-stemisnally 8 5 3 5 ervoir to a point adjacent to its top, and pro adjustedto open the discharge-pipe,when the vided with a conical valve-seat, 3,to which the device will perform its usual functions. tapered end eL ofthe valve-stem is' adapted. The lubricator can be placed with advantageThe top of the reservoir is in the form of an in such positions wherespace islimited, and is annular neck or shank, 5, having external usefulin air-brakes for cars, locomotives, and 9o 40 screw-threads, 6, and atop-wall, 7, the -latter other places where a self-feeding lubricator ishaving a central orifice, 8, for the passage of desired. the valve-stem,and a slot, 9, at one side of the Having thus described myinvention,what I central orifice, through which slot the oil passesclaim is to ll the reservoir. I Upon thethreaded shank l. Thecombination, with an oil-reservoir 95 4 5 is arranged a screw-nut, l0,having a top wall, having ashank provided with a perforated top,

11, provided witha central orifice for the valveof the rotating nutfitted over the shank, and stem, and a slot, l2, for registering withthe having a cup-shaped top and a perforated wall, slot 9, whereby theoil can be supplied to the substantially as described. reservoir and thenut then rotated to move its 2. The combination ,with areservoir having10o 5o slot out of eoincidencewiththe other one, therea screw-threadedshank provided with a perby effectually closing the reservoir. From theforated top wall, ofthe screw-nut on the shank,

haring n cup-shaped top and n perforated wail, substantially nsdescribed.

3. The Combination of :i reservoir having n l screw-Threaded shankprovided with in top W111i having n central orifice and a sideperforation, the screwnnt having the rim or flange, and :L Wall providedwith :L central orifice and n side perforation, and the vnlvesternpassing through the said central oriee, suhstantiaily as described,

4. The combination of a reservoir having a Screw-threaded shank providedwith n perfog enligne rated top \va1].,the screw-nut fitted on theshank, :indhnving @perforated top wzhand thepaelv ing-disk arrangedbetween the two walls, suh- I5 stantialiy ns described.

In testimony whereof I have hereunto set n1 y hand in the presence oftwosnlJseribing witnesses.

i JEAN Blissn'rr.

` Witnesses:

A. BRUNNER,

Toit Besoin'.

